Metabolite Cross-Feeding between Rhodococcus ruber YYL and Bacillus cereus MLY1 in the Biodegradation of Tetrahydrofuran under pH Stress
Author(s) -
Zubi Liu,
Hui Huang,
Minbo Qi,
Xuejun Wang,
Omosalewa Oluwafunmilayo Adebanjo,
Zhenmei Lü
Publication year - 2019
Publication title -
applied and environmental microbiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.552
H-Index - 324
eISSN - 1070-6291
pISSN - 0099-2240
DOI - 10.1128/aem.01196-19
Subject(s) - bacillus cereus , biodegradation , metabolite , rhodococcus , microbiology and biotechnology , chemistry , tetrahydrofuran , bacillales , bacteria , bacillaceae , food science , biology , biochemistry , organic chemistry , enzyme , genetics , solvent , bacillus subtilis
Rhodococcus species have been discovered in diverse environmental niches and can degrade numerous recalcitrant toxic pollutants. However, the pollutant degradation efficiency of these strains is severely reduced due to the complexity of environmental conditions and limitations in the growth of the pollutant-degrading microorganism. In our study,Bacillus cereus strain MLY1 exhibited strong stress resistance to adapt to various environments and improved the THF degradation efficiency ofRhodococcus ruber YYL by a metabolic cross-feeding interaction style to relieve the pH stress. These findings suggest that metabolite cross-feeding occurred in a complementary manner, allowing a pollutant-degrading strain to collaborate with a nondegrading strain in the biodegradation of various recalcitrant compounds. The study of metabolic exchanges is crucial to elucidate mechanisms by which degrading and symbiotic bacteria interact to survive environmental stress.
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